<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form >
        <input type="radio" name="sex" id="" value="nan">男
        <input type="radio" name="sex" id="" value="nv">女<br>
        <input type="checkbox" name="happy" id="" value="1">zuqiu
        <input type="checkbox" name="happy" id="" value="2">zuqiu2
        <input type="checkbox" name="happy" id="" value="3">zuqiu3
        <input type="password" name="password" id="">
        <input type="text" name="username" value="sa">
        <input type="submit" value="提交">
    </form>
</body>
</html>